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OPA228UA
+BOMIC OPAMP GP 1 CIRCUIT 8SOIC
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #OPA228UA
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Active |
| Base Product Number | OPA228 |
| Amplifier Type | Standard (General Purpose) |
| Number of Circuits | 1 |
| Slew Rate | 11V/µs |
| Gain Bandwidth Product | 33 MHz |
| Current - Input Bias | 2.5 nA |
| Voltage - Input Offset | 10 µV |
| Current - Supply | 3.7mA |
| Voltage - Supply Span (Min) | 5 V |
| Voltage - Supply Span (Max) | 36 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Packaging | Tube |
| Current - Output / Channel | 45 mA |
Tổng quan
Description
The OPA228UA is a precision operational amplifier from Texas Instruments, designed for applications requiring high accuracy and low noise. It is part of the OPAx228 series, known for its excellent DC performance, including low offset voltage and drift. The device features low distortion and low noise, with a wide bandwidth, making it suitable for high-fidelity audio applications and data acquisition systems.
The OPA228UA operates with a single or dual power supply and is capable of driving heavy loads, providing flexibility in various design environments. It has a wide supply voltage range, typically ±2.5V to ±18V, ensuring compatibility with diverse power configurations. The amplifier is offered in an SOIC-8 package, which is compact and suitable for space-constrained applications.
Key characteristics include a low input bias current, and high common-mode rejection ratio (CMRR), ensuring stability and precision in mixed-signal environments. This makes the OPA228UA ideal for use in precision instrumentation, medical equipment, and other applications demanding reliable performance over temperature and supply variations.
The OPA228UA operates with a single or dual power supply and is capable of driving heavy loads, providing flexibility in various design environments. It has a wide supply voltage range, typically ±2.5V to ±18V, ensuring compatibility with diverse power configurations. The amplifier is offered in an SOIC-8 package, which is compact and suitable for space-constrained applications.
Key characteristics include a low input bias current, and high common-mode rejection ratio (CMRR), ensuring stability and precision in mixed-signal environments. This makes the OPA228UA ideal for use in precision instrumentation, medical equipment, and other applications demanding reliable performance over temperature and supply variations.
Equivalent
The OPA228UA is a precision operational amplifier. Equivalent products with similar specifications include:
1. AD823 from Analog Devices
2. LT1007 from Linear Technology (Analog Devices)
3. MAX4475 from Maxim Integrated
4. OP07 from Texas Instruments and Analog Devices
When selecting a replacement, ensure to compare specifications such as bandwidth, offset voltage, supply voltage range, and package type to ensure compatibility with your application.
1. AD823 from Analog Devices
2. LT1007 from Linear Technology (Analog Devices)
3. MAX4475 from Maxim Integrated
4. OP07 from Texas Instruments and Analog Devices
When selecting a replacement, ensure to compare specifications such as bandwidth, offset voltage, supply voltage range, and package type to ensure compatibility with your application.
Features
The OPA228UA is a precision operational amplifier known for its high performance. Key features include:
1. Low Noise: It has a low voltage noise density of 3 nV/√Hz, making it suitable for high-precision applications.
2. Low Offset Voltage: The device exhibits a low input offset voltage of around 75 µV, enhancing accuracy.
3. Wide Bandwidth: It offers a wide gain bandwidth product of 33 MHz, allowing for high-speed operations.
4. High Slew Rate: With a slew rate of 10 V/µs, the OPA228UA can handle fast signal changes efficiently.
5. Low Distortion: It provides low total harmonic distortion (THD), making it ideal for audio applications.
6. Wide Supply Range: It operates over a ±2.5 V to ±18 V supply range, offering flexibility in design.
7. High Output Drive: Capable of sourcing or sinking up to 45 mA, it can drive heavy loads.
8. Temperature Range: The device is specified to operate over a temperature range of -40°C to 85°C.
These features make the OPA228UA suitable for applications requiring precision, speed, and low noise, such as instrumentation and data acquisition systems.
1. Low Noise: It has a low voltage noise density of 3 nV/√Hz, making it suitable for high-precision applications.
2. Low Offset Voltage: The device exhibits a low input offset voltage of around 75 µV, enhancing accuracy.
3. Wide Bandwidth: It offers a wide gain bandwidth product of 33 MHz, allowing for high-speed operations.
4. High Slew Rate: With a slew rate of 10 V/µs, the OPA228UA can handle fast signal changes efficiently.
5. Low Distortion: It provides low total harmonic distortion (THD), making it ideal for audio applications.
6. Wide Supply Range: It operates over a ±2.5 V to ±18 V supply range, offering flexibility in design.
7. High Output Drive: Capable of sourcing or sinking up to 45 mA, it can drive heavy loads.
8. Temperature Range: The device is specified to operate over a temperature range of -40°C to 85°C.
These features make the OPA228UA suitable for applications requiring precision, speed, and low noise, such as instrumentation and data acquisition systems.
Pinout
The OPA228UA is an operational amplifier by Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin functions are as follows:
1. Pin 1 (NC): No Connection
2. Pin 2 (Inverting Input): The inverting input of the op-amp.
3. Pin 3 (Non-Inverting Input): The non-inverting input of the op-amp.
4. Pin 4 (V- or V-cc): Negative power supply voltage.
5. Pin 5 (NC): No Connection
6. Pin 6 (Output): The output of the op-amp.
7. Pin 7 (V+ or V-cc): Positive power supply voltage.
8. Pin 8 (NC): No Connection
The OPA228UA is known for its low noise, high precision, and high-speed performance, suitable for a variety of applications, including precision instrumentation and data acquisition systems.
1. Pin 1 (NC): No Connection
2. Pin 2 (Inverting Input): The inverting input of the op-amp.
3. Pin 3 (Non-Inverting Input): The non-inverting input of the op-amp.
4. Pin 4 (V- or V-cc): Negative power supply voltage.
5. Pin 5 (NC): No Connection
6. Pin 6 (Output): The output of the op-amp.
7. Pin 7 (V+ or V-cc): Positive power supply voltage.
8. Pin 8 (NC): No Connection
The OPA228UA is known for its low noise, high precision, and high-speed performance, suitable for a variety of applications, including precision instrumentation and data acquisition systems.
Manufacturer
The OPA228UA is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that specializes in designing and manufacturing semiconductors and various integrated circuits, which are used in a wide range of electronic devices. TI focuses on the development of analog chips and embedded processors, which are crucial components in many electronic products across different industries. The company operates globally and is known for its innovation in electronics, contributing significantly to the advancement of technology in fields such as consumer electronics, automotive, industrial, and telecommunications.
Application
The OPA228UA is a precision operational amplifier known for its low noise, low distortion, and high-speed performance. Its application areas include:
1. Data Acquisition Systems: Provides accurate signal conditioning and low noise amplification.
2. Medical Instrumentation: Used in ECG, EEG, and other sensitive measurements due to its precision.
3. Audio Equipment: Enhances audio fidelity in professional audio processing.
4. Industrial Control Systems: Ensures precise signal processing in control applications.
5. Test and Measurement Equipment: Offers high precision for various testing instruments.
6. Sensor Interfaces: Enables accurate sensor signal processing in various applications.
7. Communications Equipment: Used in RF and other communication circuits for low distortion.
1. Data Acquisition Systems: Provides accurate signal conditioning and low noise amplification.
2. Medical Instrumentation: Used in ECG, EEG, and other sensitive measurements due to its precision.
3. Audio Equipment: Enhances audio fidelity in professional audio processing.
4. Industrial Control Systems: Ensures precise signal processing in control applications.
5. Test and Measurement Equipment: Offers high precision for various testing instruments.
6. Sensor Interfaces: Enables accurate sensor signal processing in various applications.
7. Communications Equipment: Used in RF and other communication circuits for low distortion.
Package
The OPA228UA is an operational amplifier from Texas Instruments. It comes in an SOIC-8 (Small Outline Integrated Circuit) package, which is a surface-mount package with 8 pins.
